BoCP-Design: US-China: Interactions between land-use change and island biogeography as drivers of animal community assembly in the Zhoushan and Caribbean Archipelagos

BoCP-设计：中美：土地利用变化与岛屿生物地理学之间的相互作用作为舟山和加勒比群岛动物群落聚集的驱动因素

• 批准号: 2325839
• 负责人: Luke Frishkoff
• 金额: $ 50万
• 依托单位: University of Texas at Arlington
• 依托单位国家: 美国
• 项目类别: Standard Grant
• 财政年份: 2023
• 资助国家: 美国
• 起止时间: 2023-08-01 至 2026-07-31
• 项目状态: 未结题
• 来源: https://www.nsf.gov/awardsearch/showAward?AWD_ID=2325839&HistoricalAwards=false
• 关键词: BoCP; Design; US; China; Interactions

Humans modify natural habitats, such as forest and grasslands, to create agricultural fields and developed areas for people to live. This project aims to understand why such human-caused habitat modification causes extreme biodiversity loss in some places, while other places are more resilient. One idea suggests that small islands are especially at risk, because they can only evolve a small set of species that can only use a few types of resources or habitats. In contrast very large islands evolve many species, at least some of which will have less specialized requirements and may be able to prosper in human-modified environments. The researchers will test the hypothesis that biodiversity persists better in human-modified areas on bigger islands, as predicted by a "lottery model" of tolerance to human land-use. Relatedly, they will study if species' evolutionary history affects how much biodiversity remains in human-modified areas. Specifically, they will examine whether species that arrived on an island from elsewhere are more likely to tolerate human-modified environments, in comparison to species that evolved on the island in question. Understanding why some areas are more vulnerable to losing biodiversity will help prioritize places to conserve. Relatedly, knowledge of where biodiversity will be most robust to loss will help maximize use of ecosystem services that benefit people. The research will support undergraduate and graduate student training and promote scientific collaboration between US and Chinese biodiversity researchers.To understand when and where biodiversity declines will be most severe after habitat modification, the researchers will examine communities of birds, reptiles, and amphibians in both natural habitats and human-developed areas. They will do so across islands of different sizes and isolations in both the Caribbean and Zhoushan Archipelagos (China). Together this combination of species groups and locations allows the researchers to distinguish good dispersing species (birds) from poor dispersing ones (reptiles and amphibians) in island systems where dispersal is easy (in Zhoushan, because between-island distances are small) versus hard (in the Caribbean, where distances are long). The researchers will use transects and long-term audio recordings to assess species occurrence over hundreds of locations across 56 islands in the two regions. They will quantify how specialized species are by studying diet and habitat use of the organisms encountered.This award reflects NSF's statutory mission and has been deemed worthy of support through evaluation using the Foundation's intellectual merit and broader impacts review criteria.

人类改变森林和草原等自然栖息地，以创造农田和发达的人类居住区。该项目旨在了解为什么这种人为栖息地改变会导致某些地方的生物多样性极度丧失，而其他地方则更具恢复力。一种观点认为，小岛屿尤其面临风险，因为它们只能进化出一小部分物种，而这些物种只能使用几种类型的资源或栖息地。相比之下，非常大的岛屿进化出了许多物种，至少其中一些物种的特殊要求较低，并且可能能够在人类改造的环境中繁衍生息。研究人员将检验这样一个假设，即生物多样性在较大岛屿上的人类改造地区能够更好地持续存在，正如对人类土地利用的容忍度的“彩票模型”所预测的那样。相关地，他们将研究物种的进化历史是否影响人类改造地区的生物多样性保留量。具体来说，他们将检查从其他地方到达岛屿的物种与在相关岛屿上进化的物种相比是否更有可能容忍人类改变的环境。了解为什么某些地区更容易失去生物多样性将有助于优先考虑要保护的地方。与此相关的是，了解生物多样性在哪里最容易丧失的情况将有助于最大限度地利用造福人类的生态系统服务。该研究将支持本科生和研究生培训，并促进中美生物多样性研究人员之间的科学合作。为了了解栖息地改变后生物多样性下降最严重的时间和地点，研究人员将研究自然环境中的鸟类、爬行动物和两栖动物群落。栖息地和人类开发区。他们将穿越加勒比海和舟山群岛（中国）不同大小和隔离的岛屿。物种组和地点的组合使研究人员能够在容易扩散的岛屿系统（在舟山，因为岛间距离很小）和难以扩散的岛屿系统中区分良好分散的物种（鸟类）和分散不良的物种（爬行动物和两栖动物）。在加勒比地区，距离很远）。研究人员将使用横断面和长期录音来评估这两个地区 56 个岛屿的数百个地点的物种出现情况。他们将通过研究所遇到的生物体的饮食和栖息地利用来量化物种的特化程度。该奖项反映了 NSF 的法定使命，并通过使用基金会的智力价值和更广泛的影响审查标准进行评估，被认为值得支持。